/***************************************************************************\
 * Copyright (C) by Keio University
 * Exception.hpp created in 10 2011.
 * Mail : fdesorbi@hvrl.ics.keio.ac.jp
 *
 * Exception.hpp is part of the HVRL Engine Library.
 *
 * The HVRL Engine Library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * The HVRL Engine Library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
\***************************************************************************/

#ifndef COMMON__EXCEPTION_HPP__
#define COMMON__EXCEPTION_HPP__

#include <string>

namespace hvrl
{

class Exception : std::exception
{

public:
    Exception(const std::string& err, const std::string& funcname);
    Exception(const Exception & e);
    virtual ~Exception() throw() {}

protected:
    std::string str;
public :
    virtual inline std::string errorString() const
    {
        return str;
    }
    virtual const char* what() const throw()
    {
        return str.c_str();
    }
};

inline std::ostream& operator <<(std::ostream& stream, const Exception & err)
{
    return stream << err.errorString();
}

}

#endif
